import java.util.Scanner;
public class Example3_4 {
  public static void main (String args[]){
    int number =0;
    System.out.println("输入正整数（回车确认）");
    Scanner reader = new Scanner (System.in);
    number = reader.nextInt();
    switch(number){
      case 9:
      case 131:
      case 12:    System.out.println(number+"是三等奖");
                  break;
      case 209:
      case 596:
      case 27:    System.out.println(number+"是二等奖");
                  break;
      case 875:
      case 316:
      case 59:    System.out.println(number+"是一等奖");
                  break;
      default:    System.out.println(number+"未中奖");
    }
  }
}
